Mutual Capacitance Touch Sensitive Sensing Apparatus and System and Method Thereof

1. A mutual capacitance touch sensing method, comprising: sequentially charging a plurality of driving electrode sets and detecting the electrical change of a plurality of sensing electrodes, wherein each driving electrode set comprises a plurality of driving electrodes; when a first driving electrode set is charged and the electrical change of at least one of the sensing electrodes is detected, sequentially charging the driving electrodes in the first driving electrode set and detecting the electrical change of the sensing electrodes; and determining a touch location according to the detected electrical change of the sensing electrodes when the driving electrodes in the first electrode set are sequentially charged.

2. The mutual capacitance touch sensing method of claim 1 , further comprising: when a second driving electrode set is charged and the electrical change of at least one of the sensing electrode is detected, sequentially charging the driving electrodes in the second driving electrode set and detecting the electrical change of the sensing electrodes; and determining a touch location according to the detected electrical change of the sensing electrodes when the driving electrodes in the first and the second driving electrode sets are sequentially charged.

3. The mutual capacitance touch sensing method of claim 2 , wherein the electrical change is caused by at least one external conductive object and the at least one external conductive object is located between the first and the second driving electrode sets, and the first driving electrode set is adjacent to the second driving electrode set.

4. The mutual capacitance touch sensing method of claim 2 , when used for detecting a single external conductive object, further comprising: suspending charging the rest not-yet-charged driving electrode sets when the second driving electrode set is charged and the electrical change of said at least one sensing electrode is detected, wherein the electrical change of said at least one sensing electrode is caused by the external conductive object approaching or touching the second driving electrode set.

5. The mutual capacitance touch sensing method of claim 2 , wherein the steps of sequentially charging the driving electrodes in the first driving electrode set, sequentially charging the driving electrodes in the second driving electrode set, and detecting the electrical change of the sensing electrodes are performed after the step of sequentially charging the driving electrode sets and detecting the electrical change of the sensing electrodes.

6. The mutual capacitance touch sensing method of claim 1 , when used for detecting a single external conductive object, further comprising: suspending charging the rest not-yet-charged driving electrode sets when the first driving electrode set is charged and the electrical change of said at least one sensing electrode is detected, wherein the electrical change of said at least one sensing electrode is caused by the external conductive object approaching or touching the first driving electrode set.

7. The mutual capacitance touch sensing method of claim 6 , further comprising: respectively charging the last driving electrode of the first driving electrode set and the initial driving electrode of the driving electrode set next to the first driving electrode set; detecting the electrical change of said at least one sensing electrode.

8. The mutual capacitance touch sensing method of claim 6 , further comprising: respectively charging a plurality of the last driving electrodes of the first driving electrode set and a plurality of the initial driving electrodes of the driving electrode set next to the first driving electrode set, detecting the electrical change of said at least one sensing electrode.

9. The mutual capacitance touch sensing method of claim 1 , wherein the step of sequentially charging the driving electrodes in the first driving electrode set and detecting the electrical change of the sensing electrodes is performed after the step of sequentially charging the driving electrode sets and detecting the electrical change of the sensing electrodes.

10. A mutual capacitance touch sensing apparatus, for detecting a touch location on a mutual capacitance touch panel, wherein the mutual capacitance touch panel comprises a plurality of driving electrode sets and a plurality of sensing electrodes corresponding to the driving electrode sets, and each one of the driving electrode set comprises a plurality of driving electrodes, and the mutual capacitance touch sensing apparatus comprises a sensing module connecting to the driving electrode sets and the sensing electrodes, wherein the sensing module performs the steps comprising: sequentially charging the driving electrode sets and detecting the electrical change of the sensing electrodes; when a first driving electrode set is charged and the electrical change of at least one of the sensing electrodes is detected, sequentially charging the driving electrodes in the first driving electrode set and detecting the electrical change of the sensing electrodes; and determining the touch location according to the detected electrical change of the sensing electrodes when the driving electrodes in the driving electrode set are sequentially charged.

11. The mutual capacitance touch sensing apparatus of claim 10 , wherein the sensing module further performs the steps comprising: when a second driving electrode set is charged and the electrical change of at least one of the sensing electrodes is detected, sequentially charging the driving electrodes in the second driving electrode set and detecting the electrical change of the sensing electrodes; and determining the touch location according to the detected electrical change of the sensing electrodes when the driving electrodes in the first and the second driving electrode sets are sequentially charged.

12. The mutual capacitance touch sensing apparatus of claim 11 , wherein the electrical change is caused by at least one external conductive object and the at least one external conductive object is located between the first and the second driving electrode sets, and the first driving electrode set is adjacent to the second driving electrode set.

13. The mutual capacitance touch sensing apparatus of claim 11 , when used for detecting a single external conductive object, the sensing module further performs the steps comprising: suspending charging the rest not-yet-charged driving electrode sets when the second driving electrode set is charged and the electrical change of said at least one sensing electrode is detected, wherein the electrical change of said at least one sensing electrode is caused by the external conductive object approaching or touching the second driving electrode set.

14. The mutual capacitance touch sensing apparatus of claim 11 , wherein the steps of sequentially charging the driving electrodes in the first driving electrode set, sequentially charging the driving electrodes in the second driving electrode set, and detecting the electrical change of the sensing electrodes are performed after the step of sequentially charging the driving electrode sets and detecting the electrical change of the sensing electrodes.

15. The mutual capacitance touch sensing apparatus of claim 10 , when used for detecting a single external conductive object, the sensing module further performs the steps comprising: suspending charging the rest not-yet-charged driving electrode sets when the first driving electrode set is charged and the electrical change of said at least one sensing electrode is detected, wherein the electrical change of said at least one sensing electrode is caused by the external conductive object approaching or touching the first driving electrode set.

16. The mutual capacitance touch sensing apparatus of claim 15 , wherein the sensing module further performs the steps comprising: respectively charging the last driving electrode of the first driving electrode set and the initial driving electrode of the driving electrode set next to the first driving electrode set; and detecting the electrical change of said at least one sensing electrode.

17. The mutual capacitance touch sensing apparatus of claim 15 , wherein the sensing module further performs the steps comprising: respectively charging a plurality of the last driving electrodes of the first driving electrode set and a plurality of the initial driving electrodes of the driving electrode set next to the first driving electrode set; detecting the electrical change of said at least one sensing electrode.

18. The mutual capacitance touch sensing apparatus of claim 10 , wherein the step of sequentially charging the driving electrodes in the first driving electrode set and detecting the electrical change of the sensing electrodes is performed after the step of sequentially charging the driving electrode sets and detecting the electrical change of the sensing electrodes.

19. A mutual capacitance touch sensing system, comprising: a mutual capacitance touch panel comprising a plurality of driving electrode sets and a plurality of sensing electrodes corresponding to the driving electrode sets, and each one of the driving electrode set comprising a plurality of driving electrodes; and a mutual capacitance touch sensing apparatus for detecting a touch location on the mutual capacitance touch panel, wherein the mutual capacitance touch sensing apparatus comprises a sensing module connecting to the driving electrode sets and the sensing electrodes, wherein the sensing module performs the steps comprising: sequentially charging the driving electrode sets and detecting the electrical change of the sensing electrodes; when a first driving electrode set is charged and the electrical change of at least one of the sensing electrodes is detected, sequentially charging the driving electrodes in the first driving electrode set and detecting the electrical change of the sensing electrodes; and determining the touch location according to the detected electrical change of the sensing electrodes when the driving electrodes in the first driving electrode set are sequentially charged.